32 lines
1.1 KiB
Rust
32 lines
1.1 KiB
Rust
//! This is a reproducer for the ICE 6840: https://github.com/rust-lang/rust-clippy/issues/6840.
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//! The ICE is caused by `TyCtxt::layout_of` and `is_normalizable` not being strict enough
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#![allow(dead_code)]
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use std::collections::HashMap;
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pub trait Rule {
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type DependencyKey;
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}
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pub struct RuleEdges<R: Rule> {
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dependencies: R::DependencyKey,
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}
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type RuleDependencyEdges<R> = HashMap<u32, RuleEdges<R>>;
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// reproducer from the GitHub issue ends here
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// but check some additional variants
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type RuleDependencyEdgesArray<R> = HashMap<u32, [RuleEdges<R>; 8]>;
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type RuleDependencyEdgesSlice<R> = HashMap<u32, &'static [RuleEdges<R>]>;
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type RuleDependencyEdgesRef<R> = HashMap<u32, &'static RuleEdges<R>>;
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type RuleDependencyEdgesRaw<R> = HashMap<u32, *const RuleEdges<R>>;
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type RuleDependencyEdgesTuple<R> = HashMap<u32, (RuleEdges<R>, RuleEdges<R>)>;
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// and an additional checks to make sure fix doesn't have stack-overflow issue
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// on self-containing types
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pub struct SelfContaining {
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inner: Box<SelfContaining>,
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}
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type SelfContainingEdges = HashMap<u32, SelfContaining>;
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fn main() {}
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